PT74026B - Improvements in or relating to character recognition devices - Google Patents
Improvements in or relating to character recognition devicesInfo
- Publication number
- PT74026B PT74026B PT74026A PT7402681A PT74026B PT 74026 B PT74026 B PT 74026B PT 74026 A PT74026 A PT 74026A PT 7402681 A PT7402681 A PT 7402681A PT 74026 B PT74026 B PT 74026B
- Authority
- PT
- Portugal
- Prior art keywords
- sheets
- writing
- character recognition
- pad
- layer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04113—Peripheral electrode pattern in resistive digitisers, i.e. electrodes at the periphery of the resistive sheet are shaped in patterns enhancing linearity of induced field
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Character Discrimination (AREA)
- Character Input (AREA)
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
- Fats And Perfumes (AREA)
- Forging (AREA)
- Holo Graphy (AREA)
- Drawing Aids And Blackboards (AREA)
- Traffic Control Systems (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8040052 | 1980-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
PT74026A PT74026A (en) | 1981-12-01 |
PT74026B true PT74026B (en) | 1983-07-01 |
Family
ID=10517989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT74026A PT74026B (en) | 1980-12-15 | 1981-11-23 | Improvements in or relating to character recognition devices |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0054406B1 (no) |
JP (1) | JPS597992B2 (no) |
AT (1) | ATE13366T1 (no) |
AU (1) | AU7849281A (no) |
BR (1) | BR8108108A (no) |
DE (1) | DE3170550D1 (no) |
DK (1) | DK530781A (no) |
ES (1) | ES507882A0 (no) |
FI (1) | FI813973L (no) |
GR (1) | GR76951B (no) |
NO (1) | NO814016L (no) |
PT (1) | PT74026B (no) |
ZA (1) | ZA818186B (no) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3273854D1 (en) * | 1982-07-19 | 1986-11-20 | Oki Electric Cable | Pressure-sensitive conductive elastic sheet and method of forming same |
JPS5916084A (ja) * | 1982-07-19 | 1984-01-27 | Nitto Electric Ind Co Ltd | 入力タブレツト |
US4448837A (en) * | 1982-07-19 | 1984-05-15 | Oki Densen Kabushiki Kaisha | Pressure-sensitive conductive elastic sheet |
JPS5930133A (ja) * | 1982-08-11 | 1984-02-17 | Daicel Chem Ind Ltd | 透明な座標検出装置の誤動作防止方法 |
JPS6051928A (ja) * | 1983-08-31 | 1985-03-23 | Toppan Moore Co Ltd | 信号入力用シ−ト |
US4620062A (en) * | 1983-10-11 | 1986-10-28 | Rdi Limited Partnership | Device for forming signals which are characteristic of the position of a point determined on a surface |
EP0145651A3 (fr) * | 1983-10-12 | 1985-07-10 | Battelle Memorial Institute | Dispositif pour former des signaux caractéristiques de la position d'un point déterminé sur une surface |
SE8506027L (sv) * | 1985-12-19 | 1987-06-20 | Electrolux Ab | Anordning for registrering av beroring |
JP2666929B2 (ja) * | 1987-07-31 | 1997-10-22 | トッパン・フォームズ株式会社 | 情報入力用シート |
US6369804B1 (en) * | 1998-09-26 | 2002-04-09 | Eleksen Limited | Detector constructed from fabric having non-uniform conductivity |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1331942A (en) * | 1970-06-17 | 1973-09-26 | Nat Res Dev | Electrographic tablet |
US3798370A (en) * | 1972-04-17 | 1974-03-19 | Elographics Inc | Electrographic sensor for determining planar coordinates |
US3911215A (en) * | 1974-03-18 | 1975-10-07 | Elographics Inc | Discriminating contact sensor |
US4079194A (en) * | 1976-08-09 | 1978-03-14 | Victor Kley | Graphical data entry pad |
-
1981
- 1981-11-23 PT PT74026A patent/PT74026B/pt unknown
- 1981-11-25 ZA ZA818186A patent/ZA818186B/xx unknown
- 1981-11-25 NO NO814016A patent/NO814016L/no unknown
- 1981-11-30 DK DK530781A patent/DK530781A/da not_active Application Discontinuation
- 1981-12-09 EP EP81305810A patent/EP0054406B1/en not_active Expired
- 1981-12-09 DE DE8181305810T patent/DE3170550D1/de not_active Expired
- 1981-12-09 AT AT81305810T patent/ATE13366T1/de not_active IP Right Cessation
- 1981-12-10 FI FI813973A patent/FI813973L/fi not_active Application Discontinuation
- 1981-12-10 GR GR66764A patent/GR76951B/el unknown
- 1981-12-11 ES ES507882A patent/ES507882A0/es active Granted
- 1981-12-14 AU AU78492/81A patent/AU7849281A/en not_active Abandoned
- 1981-12-14 BR BR8108108A patent/BR8108108A/pt unknown
- 1981-12-15 JP JP56202348A patent/JPS597992B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0054406A1 (en) | 1982-06-23 |
GR76951B (no) | 1984-09-04 |
AU7849281A (en) | 1982-06-24 |
JPS57146381A (en) | 1982-09-09 |
ATE13366T1 (de) | 1985-06-15 |
BR8108108A (pt) | 1982-09-21 |
JPS597992B2 (ja) | 1984-02-22 |
ES8400055A1 (es) | 1983-01-16 |
FI813973L (fi) | 1982-06-16 |
EP0054406B1 (en) | 1985-05-15 |
DK530781A (da) | 1982-06-16 |
ZA818186B (en) | 1982-11-24 |
PT74026A (en) | 1981-12-01 |
DE3170550D1 (en) | 1985-06-20 |
NO814016L (no) | 1982-06-16 |
ES507882A0 (es) | 1983-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8405942A1 (es) | Dispositivo de conversion y transmision de energia. | |
US3715540A (en) | Touch sensitive electronic switch | |
DE3173010D1 (en) | Switching component with variable resistance | |
DE3166908D1 (en) | A ptc circuit protection device | |
GB2040570B (en) | Electric double layer capacitor | |
NZ296672A (en) | Touch sensor, electrode pad surrounded by second electrode, electrodes connected by active component mounted on dielectric substrate | |
DE69603077D1 (de) | Druckbetätigte schaltvorrichtung | |
ES8102910A1 (es) | Un metodo de fabricar un estratificado | |
EP0060688A3 (en) | Improvements in or relating to x-y position measuring devices | |
JPS6452355A (en) | Two-dimensional electric conductor | |
DE3170550D1 (en) | Writing pad for a character recognition device | |
US4440990A (en) | Membrane keyboard assembly | |
JPS6452305A (en) | Continuous flexble electric conductor which can function as electric switch | |
US4493104A (en) | Character recognition device | |
KR900005511A (ko) | 박판형 스위치 소자(Sheet switch) | |
GB2077508A (en) | Variable resistance pressure- sensitive laminate | |
SE8102377L (sv) | Elektrisk kontakt- eller avbrytaranordning | |
DE3070065D1 (en) | Switch structure with touch element | |
JPS5770437A (en) | Leakage detecting and announcing device | |
JPS5723186A (en) | Coordinate input equipment | |
JPS5681944A (en) | Semiconductor device | |
SE8206885L (sv) | Foretredesvis for en telefonapparat avsedd knappsats | |
SE9003448L (en) | PTC element for overcurrent protection - has surface of body of polymer composition that makes free contact with each other or with associated electrode | |
JPS61177011A (ja) | 可変抵抗スイツチ用駆動回路 |